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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
import io
import sys
from os import path
from pathlib import Path
import mozunit
from expect_helper import expect
# Shenanigans to import the rust outputter extension
FOG_ROOT_PATH = path.abspath(
path.join(path.dirname(__file__), path.pardir, path.pardir)
)
sys.path.append(path.join(FOG_ROOT_PATH, "build_scripts", "glean_parser_ext"))
import run_glean_parser
import rust
# Shenanigans to import the in-tree glean_parser
GECKO_PATH = path.join(FOG_ROOT_PATH, path.pardir, path.pardir, path.pardir)
sys.path.append(path.join(GECKO_PATH, "third_party", "python", "glean_parser"))
def test_all_metric_types():
"""Honestly, this is a pretty bad test.
It generates Rust for a given test metrics.yaml and compares it byte-for-byte
with an expected output Rust file.
Expect it to be fragile.
To generate new expected output files, set `UPDATE_EXPECT=1` when running the test suite:
UPDATE_EXPECT=1 mach test toolkit/components/glean/pytest
"""
options = {"allow_reserved": False}
input_files = [Path(path.join(path.dirname(__file__), "metrics_test.yaml"))]
all_objs, options = run_glean_parser.parse_with_options(input_files, options)
output_fd = io.StringIO()
rust.output_rust(all_objs, output_fd, {}, options)
expect(
path.join(path.dirname(__file__), "metrics_test_output"), output_fd.getvalue()
)
def test_fake_pings():
"""Another similarly-bad test.
It generates Rust for pings_test.yaml, comparing it byte-for-byte
with an expected output Rust file.
Expect it to be fragile.
To generate new expected output files, set `UPDATE_EXPECT=1` when running the test suite:
UPDATE_EXPECT=1 mach test toolkit/components/glean/pytest
"""
options = {"allow_reserved": False}
input_files = [Path(path.join(path.dirname(__file__), "pings_test.yaml"))]
all_objs, options = run_glean_parser.parse_with_options(input_files, options)
output_fd = io.StringIO()
rust.output_rust(all_objs, output_fd, {}, options)
expect(path.join(path.dirname(__file__), "pings_test_output"), output_fd.getvalue())
def test_expires_version():
"""This test relies on the intermediary object format output by glean_parser.
Expect it to be fragile on glean_parser updates that change that format.
"""
# The test file has 41, 42, 100. Use 42.0a1 here to ensure "expires == version" means expired.
options = run_glean_parser.get_parser_options("42.0a1")
input_files = [
Path(path.join(path.dirname(__file__), "metrics_expires_versions_test.yaml"))
]
all_objs, options = run_glean_parser.parse_with_options(input_files, options)
assert all_objs["test"]["expired1"].disabled is True
assert all_objs["test"]["expired2"].disabled is True
assert all_objs["test"]["unexpired"].disabled is False
if __name__ == "__main__":
mozunit.main()
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